SIMPLY WET, WRING, AND WEAR. THIS TOWEL ALLOWS SURROUNDING AIR TO STIMULATE COOLING. THE VERY KOOL COOLING TOWEL IS A HYPER-EVAPORATIVE MATERIAL THAT RETAINS WATER WHILE REMAINING DRY TO THE TOUCH TO PROVIDE COOLING RELIEF. NO REFRIGERATION REQUIRED; MACHINE WASHABLE, LINE DRY RECOMMENDED. 3RD IMPRINT: (OPTIONAL - H714 ONLY - SCREEN): 3 1/2"W X 1 3/4"H (1 COLOR MAX). 4TH IMPRINT: (OPTIONAL - H714 ONLY - VINYL INSERT): 8 1/4"W X 2 1/2"H. COMPLIES WITH PROP 65. 34 1/2" L X 12" H